Re: Touchscreen chip is not an ADS 7846

Mayhaps we should set up a nightly build server somewhere?

On Jan 29, 2007, at 12:50 AM, Patrick Steiner wrote:

> i also wanna have some nightly builds :-)
>
> Michael O'Hare wrote:
>> I second this, as I haven't a machine to compile it with myself.
>>
>> On Jan 28, 2007, at 11:04 PM, nick_at_amicro.biz wrote:
>>
>>> Pierre,
>>>
>>>
>>> will you please post the latest build on your site. i am itching
>>> to try
>>> but i have no dev env or knowledge on my end.
>>>
>>> thank you,
>>>
>>> nick
>>>
>>>
>>> -----Original Message-----
>>> From: "Pierre GAUFILLET" <pierre.gaufillet_at_magic.fr>
>>> Sent: Sunday, January 28, 2007 2:54 pm
>>> To: "The porting effort for the Dell Axim x50" <aximx50-port_at_handhelds.org
>>> >
>>> Subject: Re: [Aximx50-port] Touchscreen chip is not an ADS 7846
>>>
>>> Hi,
>>>
>>> the touchscreen is now working (probably for X50 and for sure for
>>> X51).
>>> I will post a first patch soon.
>>> I still have to define the coordinates transformation.
>>>
>>> Paul : I see you committed a new 7846 device-independent driver.
>>> Should
>>> I use this one from now ?
>>>
>>> Could you please commit the following modification to
>>> include/asm-arm/arch-pxa/memory.h ?
>>>
>>> #ifdef CONFIG_DRAM_BASE
>>> #define PHYS_OFFSET (CONFIG_DRAM_BASE)
>>> #else
>>> #define PHYS_OFFSET UL(0xa0000000)
>>> #endif
>>>
>>> For Axim X50/X51(v), the current kernel can not be used without a
>>> manual
>>> modification...
>>>
>>> Pierre
>>>>
>>>> ----- Original Message -----
>>>> From: Paul Sokolovsky <pmiscml_at_gmail.com>
>>>> Date: Thursday, January 25, 2007 5:44 pm
>>>> Subject: Re: [Aximx50-port] Re: Touchscreen chip is not an ADS 7846
>>>>
>>>>
>>>>> Hello Kelvin,
>>>>>
>>>>> Friday, January 26, 2007, 2:19:37 AM, you wrote:
>>>>>
>>>>>
>>>>>> TexasInstument ADS7846 and TSC2046 use the same driver!!!
>>>>>>
>>>>> Well, to be exact, these chips seem to be largely compatible. But
>>>>> devices with them seem to use different settings, at least. And
>>>>> unfortunately, we still don't have some machine-independent
>>>>> touchscreen driver which can be easily reused in different
>>>>> machines ;-((.
>>>>>
>>>>> Either way, you should take one of the existing drivers for
>>>>> this or
>>>>> that chip, and tweak it to work on aximx50. The amount of tweaks
>>>>> should be small (assuming you know exact config to use for TS
>>>>> chip).
>>>>> For ADS7846, I suggest h4000_ts. For TSC2046, all devices seem
>>>>> to just
>>>>> cut&paste hx4700's driver. Important note: please take *current*
>>>>> versions of the base driver. If there's older driver known to
>>>>> work for
>>>>> aximx50, that's good reference for chip config, but bad for actual
>>>>> code (as drivers on which it as based are likely changes since
>>>>> then).
>>>>>
>>>>>
>>>>>> http://www.handhelds.org/hypermail/hx4700-port/20/2034.html
>>>>>>
>>>>>
>>>>> --
>>>>> Best regards,
>>>>> Paul mailto:pmiscml_at_gmail.com
>>>>>
>>>>>
>>>>>
>>>
>>> --
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>>>
>>>
>>>
>>>
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>>
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>
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Received on Mon Jan 29 2007 - 04:44:13 EST